Floor Truss Vs I Joist Bounce

It s framed with 12 in.

Floor truss vs i joist bounce. Alex this is actually not true of trusses. However most of the increase results from the national builders market share growth. Though i joist sales per housing start have increased about 6 over the last two years the trend has slowed considerably. I just did some checking to confirm.

This reduces the need for interior bearing and provides space for hvac plumbing and electrical systems within the floor panels our custom designed floor truss systems reduce the amount of bounce that can be found in conventionally framed floor joist systems. The first story of my house has a bouncy floor. The longer the distance a joist spans without support the more it will flex. Craig muir potomac falls va.

The biggest advantage in my opinion in using i joists is simple. Steel is also a non renewable resource manufactured with great energy consumption. With floor trusses being built this way to begin with it was a huge step for the world of i joists. Floor trusses are able to span farther than dimensional lumber and even i joists.

By thor matteson issue 166. Correcting a bouncy i joist floor. The subfloor is glued and nailed to the i joists with no bridging between them. Steel plated floor trusses vs the open joist triforce.

Ewp is resourceful for many reasons some of which you may already be aware of some of which you may not be. Q instead of glue and nails my framing subcontractor used screws to fasten the sheathing to the i joists of a new 14 foot wide addition. To take weyerhaeuser s trus joist span tables as an example 17 feet 2 inches is the maximum span with an l 360 deflection ratio allowed by code for a floor that s framed with the company s 9 inch deep nominal 2x10 series 110 tji joists spaced 16 inches on center. But it is true of i.

Plated floor trusses are very heavy present a handling danger because of sharp plate edges and plates often interfere with the installation of mechanicals. I joists spaced 16 in. By building a wall under joists you divide the span. January 12 2016 at 8 38 am.

O c spanning 20 ft. The advantages of open web floor trusses are beginning to decelerate the growth of ewp. Some of the small gain is due to the continuation of the replacement of solid sawn joists. While there are no interior walls bearing on the floor system and no excessive notching in the i joist flanges and the joists fall well within the apa s allowable span guidelines my clients say their floor is excessively bouncy.